65034661 has 2 divisors, whose sum is σ = 65034662. Its totient is φ = 65034660.

The previous prime is 65034659. The next prime is 65034677. The reversal of 65034661 is 16643056.

65034661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38316100 + 26718561 = 6190^2 + 5169^2 .

It is a cyclic number.

It is not a de Polignac number, because 65034661 - 2¹ = 65034659 is a prime.

Together with 65034659, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65034611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32517330 + 32517331.

It is an arithmetic number, because the mean of its divisors is an integer number (32517331).

Almost surely, 2^65034661 is an apocalyptic number.

It is an amenable number.

65034661 is a deficient number, since it is larger than the sum of its proper divisors (1).

65034661 is an equidigital number, since it uses as much as digits as its factorization.

65034661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 65034661 is about 8064.4070457784. The cubic root of 65034661 is about 402.1440310442.

The spelling of 65034661 in words is "sixty-five million, thirty-four thousand, six hundred sixty-one".